package org.springboot.sample.dao;

import java.util.List;
import org.springboot.sample.po.User;

public interface UserDao {
	public Boolean isExistence(User user);
	public List<User> findAll();
	
	
	public void addUser(User user);
	
	public void updateUserName(int userId,String updateUsername);
	
	public int findIdByNameAndPassword(User user);
	
	public void deleteUsersById(int id);
}
